A wave of anxiety swept through health-conscious kitchens recently over claims that air fryer parchment paper releases carcinogens when heated. To get to the bottom of this growing concern, the Shanghai Consumer Rights Protection Commission (SHRC) stepped in, putting 25 popular cooking paper products through a battery of rigorous safety tests. The verdict is reassuring for home cooks, but the findings came with serious warnings that shift the responsibility squarely back to the user.
The Verdict from Shanghai
According to a report from CCTV News, the SHRC conducted comprehensive testing on 7 air fryer liners, 6 steamer mats, 6 oil-absorbing papers, and 6 coffee filters. The goal was to address viral rumors that these everyday kitchen staples were leaching harmful substances under high heat. The tests screened for an extensive list of potential toxins, including formaldehyde, fluorescent whitening agents, mineral oil migration, acrylamide, and heavy metals.
The result? All 25 samples passed the safety tests completely. While trace amounts of lead or mold were detected in some items, every single measurement fell well within national regulatory limits. For consumers worried about immediate health risks, the data suggests that compliant cooking papers are not the enemy.
Why the Panic? Understanding the “Toxic Paper” Myth
If the paper is safe, why did the rumors take hold? Most air fryer parchment paper is made from food-grade silicone oil paper, designed to withstand temperatures up to 220°C without breaking down. The SHRC confirmed that compliant paper remains stable under normal conditions. However, the tests highlighted two specific user errors that can turn a safe product into a hazard:
- Buying Low-Grade or Non-Food-Grade Products: Cheaper alternatives may be coated with industrial silicone oil or loaded with optical brighteners. These non-compliant materials can indeed release toxic compounds when heated.
- Exceeding Heat and Time Limits: Cranking your air fryer past 230°C or running it continuously for over 20 minutes with the same paper can cause the liner to scorch, char, and decompose, potentially releasing volatile irritants.
How to Use Air Fryer Paper Safely
To keep your cooking both convenient and risk-free, the SHRC recommends following these four essential guidelines:
- Verify Food-Grade Certification: Always look for explicit “Food Grade” labels and a stated maximum temperature limit (ideally 220°C or higher) on the packaging. Avoid unbranded bargains.
- Weigh Down the Paper: Ensure heavy foods like meat or a generous batch of fries are pressing the paper down. Light items can allow the paper to lift and fly into the heating element, creating a serious fire risk.
- Never Preheat with Empty Paper: This is a leading cause of air fryer fires. Always preheat the basket empty, and only insert the paper once you add the food.
- Control Time and Temperature: Keep cooking temperatures under 200°C and sessions under 20 minutes for optimal safety. For high-heat or prolonged cooking, switch to a silicone liner or wash the basket directly.
The Bottom Line
This official investigation offers a clear verdict: the air fryer paper scare is largely unfounded for those using certified products. The real danger lies in corner-cutting and misuse. By choosing quality materials and respecting basic safety protocols, air fryer enthusiasts in Hong Kong and beyond can continue to enjoy crispy, healthy meals without a second thought. Always look for independent testing seals on your kitchen products, and remember that sometimes, the tool is only as safe as the hands that use it.